Some people with herpes take antiviral drugs for years, while others just use them periodically -- for example, when they're starting a new relationship or anticipating a high-pressure situation. (Stress can up the risk of a herpes outbreak.) "It really is a very personal decision for patients, " Johnston says.
What's more, the lightweight cans didn't audibly creek, crack, orstress as we pulled on their headband, yielding springy, but gentle reactions to pressure.